Allow an external audio processing module to be used in WebRTC

webrtc/media/base/mediaengine.h

Index: webrtc/media/base/mediaengine.h
diff --git a/webrtc/media/base/mediaengine.h b/webrtc/media/base/mediaengine.h
index ea9ef9964c2314d926103b2285b7f9ebda6b642a..911b97164807287c7cb21c1c7934e8f48a5f9c6a 100644
--- a/webrtc/media/base/mediaengine.h
+++ b/webrtc/media/base/mediaengine.h
@@ -34,6 +34,7 @@
 namespace webrtc {
 class AudioDeviceModule;
 class AudioMixer;
+class AudioProcessing;
 class Call;
 }
 
@@ -111,14 +112,19 @@ class MediaEngineFactory {
 template<class VOICE, class VIDEO>
 class CompositeMediaEngine : public MediaEngineInterface {
  public:
-  CompositeMediaEngine(webrtc::AudioDeviceModule* adm,
-                       const rtc::scoped_refptr<webrtc::AudioEncoderFactory>&
-                           audio_encoder_factory,
-                       const rtc::scoped_refptr<webrtc::AudioDecoderFactory>&
-                           audio_decoder_factory,
-                       rtc::scoped_refptr<webrtc::AudioMixer> audio_mixer)
-      : voice_(adm, audio_encoder_factory, audio_decoder_factory, audio_mixer) {
-  }
+  CompositeMediaEngine(
+      webrtc::AudioDeviceModule* adm,
+      const rtc::scoped_refptr<webrtc::AudioEncoderFactory>&
+          audio_encoder_factory,
+      const rtc::scoped_refptr<webrtc::AudioDecoderFactory>&
+          audio_decoder_factory,
+      rtc::scoped_refptr<webrtc::AudioMixer> audio_mixer,
+      rtc::scoped_refptr<webrtc::AudioProcessing> audio_processing)
+      : voice_(adm,
+               audio_encoder_factory,
+               audio_decoder_factory,
+               audio_mixer,
+               audio_processing) {}
   virtual ~CompositeMediaEngine() {}
   virtual bool Init() {
     voice_.Init();